Keening

The keening whistle of the tea kettle signaled that the water had boiled.

The keening wail of the baby echoed through the nursery, causing concern among the caregivers.

The keening whistle of the teapot signaled that the water was boiling.

The widow sat alone in her empty house, keening softly for the husband she had lost.

The character in the horror movie let out a keening scream that sent chills down the audience's spine.

The old television emitted a high-pitched keening noise whenever it was turned on.